Filter
Top Products
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
34
WIRING DIAGRAMS
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
N
O
2
F
U
S
E
3
A
1
.
S
E
T
H
E
A
T
A
N
T
I
C
I
P
A
T
O
R
O
N
R
O
O
M
T
H
E
R
M
O
S
T
A
T
A
T
0
.
7
A
M
P
S
.
YL
M
A
N
U
A
L
R
E
S
E
T
A
U
X
I
L
I
A
R
Y
L
I
M
I
T
C
O
N
T
R
O
L
P
K
T
O
M
I
C
R
O
I
D
COOL
PU
G
Y
SEE
NOTE 5
N
N
E
U
T
R
A
L
N
O
B
L
10
DEHUM
3
O
N
O
P
K
DIAGNOSTIC
LED'S
BR
4
.
U
N
I
T
M
U
S
T
B
E
P
E
R
M
A
N
E
N
T
L
Y
G
R
O
U
N
D
E
D
A
N
D
C
O
N
F
O
R
M
T
O
N
.
E
.
C
.
A
N
D
L
O
C
A
L
C
O
D
E
S
.
L
C
O
L
O
R
C
O
D
E
S
:
INTEGRATED CONTROL MODULE
1
L
O
W
F
I
R
E
P
R
E
S
S
U
R
E
S
W
I
T
C
H
P
S
2
(
1
2
)
F
L
A
M
E
S
E
N
S
O
R
H
O
T
S
U
R
F
A
C
E
G
N
G
R
E
E
N
G
R
O
R
T
R
(
1
1
)
F
R
O
N
T
C
O
V
E
R
P
R
E
S
S
U
R
E
S
W
I
T
C
H
C
Y
L
G
24V HUM.
1
H
I
C
T
H
(
4
)
I
N
D
U
C
T
O
R
C
O
I
L
B
L
24V THERMOST
A
T CONNECTIONS
GAS
VALV E
RD
4
1
FS
G
N
JUNCTION BOX
B
L
W
R
N
E
U
T
R
A
L
W
H
W2
C
1
S
W
I
T
C
H
(
P
R
E
S
S
.
)
F
I
E
L
D
S
P
L
I
C
E
F
I
E
L
D
G
N
D
7
DELAY
W2
L
O
W
V
O
L
T
A
G
E
F
I
E
L
D
3
GN
B
K
G
Y
O
V
E
R
C
U
R
R
E
N
T
P
R
O
T
E
C
T
I
O
N
D
E
V
I
C
E
3
BL
B
R
1
13
T
R
A
N
S
F
O
R
M
E
R
WH
NO
A
U
T
O
R
E
S
E
T
P
R
I
M
A
R
Y
L
I
M
I
T
C
O
N
T
R
O
L
S
W
I
T
C
H
W
H
H
L
I
(
1
)
1
N
E
U
T
R
A
L
O
R
Y2
R
D
R
E
D
E
L
E
C
T
R
O
N
I
C
G
Y
G
R
A
Y
Y1
M
A
N
U
A
L
R
E
S
E
T
R
O
L
L
O
U
T
L
I
M
I
T
C
O
N
T
R
O
L
S
(
S
I
N
G
L
E
C
O
N
T
R
O
L
O
N
4
5
k
B
T
U
)
W
H
Y1
A
I
R
L
P
U
N
O
T
E
S
:
7
0
k
B
T
U
,
9
0
k
B
T
U
,
HLO (10)
G
Y
P
K
I
G
N
I
N
D
H
I
B
K
G
N
D
(
5
)
5
2
G
Y
R
I
D
B
L
O
W
E
R
T
W
O
-
S
T
A
G
E
P
R
E
S
S
U
R
E
S
W
I
T
C
H
A
S
S
E
M
B
L
Y
OR
OR
WH
2ND STG DLY
M
V
L
(
1
3
)
EQUIPMENT GND
NO
70kBTU,90kBTU,
INTERNAL TO
W1
W1
24 V T HERMO
S
TAT CONNE
C
TIONS
ONLY
PU
H
I
G
H
F
I
R
E
P
R
E
S
S
U
R
E
S
W
I
T
C
PROT. DEVICE
INTEGRATED C
ON
TROL
PK
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE
FURNACE MUST BE
REPL
A
CED, IT MUST BE R
EPLA
CED WITH
WIRING MATER
IAL H
A
VING A TEMPERATURE RATING OF AT
LEAST 105°C. USE COPPER CONDUCTORS ONLY.
PU
DISCONNECT
EAC
PLUG CONNECTION
2
FS
C
11
FRONT COVER
PRESS. SWITCH
NEUTRAL
4
NEUTRAL
BR
B
K
LINE
C
BLOWER
COMPARTMENT
DOOR SWITCH
(OPEN WHEN
DOOR OPEN)
115kBTU MODELS
NEUTRAL
SWITCH (TEMP.)
JUNCTION BOX
G
N
D
1
R
CIRCULATOR
BLOWER
1
PU PURPLE
BLWR
JUNCTION
OR
40 VA
Y2
14
IND LO
WH
N
PK PINK
Ø
/
6
0
H
Z
HUMIDIFIER
INDOOR
HIGH FIRE
PRESS. SWTICH
D
I
S
C
O
N
N
E
C
T
T
W
O
S
T
A
G
E
G
A
S
V
A
L
V
E
AIR CLEANER
C
ONLY
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE
USED WHEN SERVICING.
WH
PSO (7)
O
V
E
R
C
U
R
R
E
N
T
HI VOLTAGE (115V)
2
DEHUM
HUM
2
C
I
R
C
U
I
T
C
O
N
N
E
C
T
O
R
LOW VOLTAGE (24V)
YL
G
N
D
WH
CHASSIS GROUND
2
3
4
LOW FIRE PRESS.
SWITCH
DOOR
WH
OR
NEUTRAL
2
MVC (8)
H
O
T
S
U
R
F
A
C
E
I
G
N
I
T
E
R
RD
WH
2
24V HUM.
GND
INTEGRATED CONTROL MODULE
LINE
HEAT
5
D
E
H
U
M
BK BLACK
TO 115VAC/ 1
ADJUST
Ø /60 HZ POWER SUPPLY WITH
5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST
RECENT, DEPRESS SWITCH FOR MORE THAN2 SECONDS WHILE
IN STANDBY (NO THERMOSTAT INPUTS)
GND
YL
PU
C
INDUCTOR COIL
115 VAC
6
BL BLUE
2
C
EAC
I
N
D
U
C
E
D
D
R
A
F
T
B
L
O
W
E
R
15
FUSE
BK
WH WHITE
1
PM
BK
B
L
O
W
E
R
C
O
M
P
A
R
T
M
E
N
T
1
1
5
V
A
C
/
1
IGNITER
0
1
4
0
F
0
0
5
3
0
R
E
V
.
B
24V HUM.
OVERCURRENT
BK
4
BR BROWN
BK
CIRCULATOR
C
YL YELLOW
3
PS1 (2)
DIP SWITCHES
115kBTU MODELS
HI VO
L
TAGE F
IELD
24 VAC
NO
ECM MTR
HARNESS
PM
MVH (14)
OR ORANGE
BR
HI
TERMINAL
OR
GY
INTEGRATED CONTROL MODULE
FLAME SENSOR
IGNITER
4
UNUSED
R
D
BK
2
T
O
12
RD
LINE
P
O
W
E
R
S
U
P
P
L
Y
W
I
T
H
G
BR
2
4
V
3
A
B
U
R
N
E
R
C
O
M
P
A
R
T
M
E
N
T
HEAT OFF
DELAY
P
R
O
T
E
C
T
I
O
N
D
E
V
I
C
E
G
N
D
HUMIDIFIER
BK
BL
GY
RD
BLWR
A
IR
INDOOR
CIRCULATOR
TX (3)
RX (2)
+ VDC (1)
GND (4)
TO
R
TO
MICRO
TO +VDC
R
G
O
3
98
1
*CVC9/*MVC95_AA